<template>
  <div>
    <el-row type="flex" justify="end">
      <el-select
        v-model="currentYear"
        size="small"
        style="width: 120px"
      >
        <el-option
          v-for="item in yearList"
          :key="item"
          :label="item"
          :value="item"
        >{{ item }}</el-option>
      </el-select>
      <el-select
        v-model="currentMonth"
        size="small"
        style="width: 120px; margin-left: 10px"
      >
        <el-option v-for="item in 12" :key="item" :label="item" :value="item">{{
          item
        }}</el-option>
      </el-select>
    </el-row>
    <el-calendar v-model="currentDate">
      <template v-slot:dateCell="{ date, data }" class="content">
        <div class="date-content">
          <span class="text"> {{ data.day|getDay }}</span>
          <span v-if="isWeek(date)" class="rest">休</span>
        </div>
      </template>
    </el-calendar>
  </div>
</template>

<script>
export default {
  // 过滤器
  filters: {
    getDay(val) {
      // return 222
      const d = val.split('-')[2]
      return d.startsWith('0') ? d[1] : d
    }
  },
  props: {
    startDate: {
      type: Date,
      default: () => new Date()
    }
  },
  data() {
    return {
      currentMonth: null, // 当前月份
      currentYear: null, // 当前年份
      currentDate: null,
      yearList: []
    }
  },
  created() {
    this.initCalendar()
  },
  methods: {
    initCalendar() {
      this.currentYear = this.startDate.getFullYear()
      this.currentMonth = this.startDate.getMonth() - 1
      this.currentDate = this.startDate
      // for (let i = this.currentYear - 5; i <= this.currentYear + 5; i++) {
      //   this.yearList.push(i)
      // }
      this.yearList = Array.from(
        Array(11).fill(this.currentYear - 5),
        (item, i) => item + i
      )
      console.log(this.yearList)
    },
    // 判断是否是周六周日
    isWeek(date) {
      return date.getDay() === 0 || date.getDay() === 6
    }
  }
}
</script>

<style lang="scss" scoped>
::deep .el-calendar-day {
  height: auto;
}
::deep .el-calendar-table__row td,
::deep .el-calendar-table tr td:first-child,
::deep .el-calendar-table__row td.prev {
  border: none;
}
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text {
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
}
::deep .el-calendar-table td.is-selected .text {
  background: #409eff;
  color: #fff;
  border-radius: 50%;
}
::deep .el-calendar__header {
  display: none;
}
</style>
